package com.example.kothin_study.dao

/**
 *@author cy
 *@date 2024/8/9
 *@apiNote
 */
class Student(val sno: String, val grade: Int, name: String, age: Int) :
    Person(name, age) {
    constructor(name: String, age: Int) : this("", 0, name, age) {
    }

    constructor() : this("", 0) {
    }

}

fun main() {
    var student = Student()
    var student2 = Student("cy", 2)

}